RALEC
旺詮
1 Scope:
RTT Series Thick Film Chip
Resistors Product Specification
Document No.
Released Date
Page No.
IE-SP-010
2021/07/08
1
1.1 This specification is applicable to lead free and halogen free of RoHS directive for RTT
series thick film chip resistors
1.2 The product is for general electronic purpose.
2 Explanation Of Part Numbers:
(EX)
RTT
02
100
J
TH
Type
Size
Nominal Resistance
Resistance
Tolerance
Packaging(Refer to IE-SP-055)
Q1：1 mm Pitch Carrier Tape 20000 pcs
QE：1 mm Pitch Carrier Tape 150000 pcs
TH：2 mm Pitch Carrier Tape 10000 pcs
H0：2 mm Pitch Carrier Tape 15000 pcs
H1：2 mm Pitch Carrier Tape 20000 pcs
H2：2 mm Pitch Carrier Tape 20000 pcs
H3：2 mm Pitch Carrier Tape 30000 pcs
H4：2 mm Pitch Carrier Tape 40000 pcs
H5：2 mm Pitch Carrier Tape 50000 pcs
H6：2 mm Pitch Carrier Tape 60000 pcs
TP：4 mm Pitch Carrier Tape 5000 pcs
P2：4 mm Pitch Carrier Tape 10000 pcs
P3：4 mm Pitch Carrier Tape 15000 pcs
P4：4 mm Pitch Carrier Tape 20000 pcs
TE：4 mm Pitch Carrier Tape 4000 pcs
E6：8 mm Pitch Carrier Tape 2000 pcs
BA：Bulk Case
RTT series
Thick Film
Chip Resistors
01(0201)
02(0402)
03(0603)
05(0805)
06(1206)
12(1210)
18(1812)
20(2010)
25(2512)
2%
EX. 10Ω=100
5%
4.7Ω=4R7
(3-Digit)
JUMPER=000
B =± 0.1%
D=± 0.5%
F=± 1%
G=± 2%
J=± 5%
0.1%
EX. 10.2Ω=10R2
0.5%
10KΩ=1002
1%
JUMPER=0000
(4-Digit)
Written
IE
Checked
Approved
QA
Signing
Remark
IT'S NOT UNDER CONTROL FOR PDF FILE
PLS NOTE THE VERSION STATED..
Issue Dep.DATA
Center.
Do not copy without permission
Series No.
60
RALEC
旺詮
RTT Series Thick Film Chip
Resistors Product Specification
Rated
Power at
70℃
Max.
Max.
Working Overload
Voltage
Voltage
T.C.R
(ppm/
℃)
-200
+400
±200
±100
W
50V
100V
±200
±100
W
75V
150V
±200
±100
W
150V
300V
±200
±100
W
200V
400V
±200
±100
W
200V
400V
±200
±100
200V
400V
±200
±100
W
200V
400V
±200
±100
1W
200V
400V
±200
------
------
------
100Ω≦R≦1MΩ
------
------
100Ω≦R≦1MΩ
------
------
100Ω≦R≦1MΩ
------
------
10Ω≦R≦1MΩ
3Ω≦R＜10Ω
100Ω≦R≦1MΩ
------
------
100Ω≦R≦1MΩ
Resistance Range
B(±0.1%)
E-24、E-96
------
47Ω≦R≦1MΩ
100Ω≦R≦1MΩ
D(±0.5%)
E-24、E-96
1Ω≦R＜10Ω
F(±1%)
E-24、E-96
1Ω≦R＜10Ω
Document No.
Released Date
Page No.
IE-SP-010
2021/07/08
2
3 General Specifications:
Type
JUMPER
Rated
Current
G(±2%)、J(±5%)
J
(±5%)
E-24
1Ω≦R＜10Ω
0.5A
10Ω≦R≦10MΩ 10Ω≦R≦10MΩ 10Ω≦R≦10MΩ
10Ω≦R≦1MΩ
1Ω≦R＜10Ω
10Ω≦R≦1MΩ
1Ω≦R＜10Ω
10Ω≦R≦22MΩ 10Ω≦R≦22MΩ
1Ω≦R＜10Ω
1Ω≦R＜10Ω
1A
1.5A
0.5A
F
(±1%)
JUMPER
Resistance
Value
J
(±5%)
50mΩ
MAX.
50mΩ
MAX.
50mΩ
MAX.
50mΩ
MAX.
50mΩ
MAX.
50mΩ
MAX.
50mΩ
MAX.
50mΩ
MAX.
50mΩ
MAX.
F
(±1%)
35mΩ
MAX.
20mΩ
MAX.
20mΩ
MAX.
20mΩ
MAX.
20mΩ
MAX.
20mΩ
MAX.
20mΩ
MAX.
20mΩ
MAX.
20mΩ
MAX.
RTT01
(0201)
1
20
1
16
1
10
1
8
1
4
1
2
W
25V
50V
RTT02
(0402)
RTT03
(0603)
RTT05
(0805)
RTT06
(1206)
RTT12
(1210)
RTT18
(1812)
RTT20
(2010)
RTT25
(2512)
10Ω≦R≦22MΩ 10Ω≦R≦22MΩ
1Ω≦R＜10Ω
1Ω≦R＜10Ω
1A
2A
100Ω≦R≦1.5MΩ 10Ω≦R≦10MΩ 10Ω≦R≦27MΩ 10Ω≦R≦27MΩ
1Ω≦R＜10Ω
1Ω≦R＜10Ω
1Ω≦R＜10Ω
2A
2.5A
10Ω≦R≦10MΩ 10Ω≦R≦27MΩ 10Ω≦R≦27MΩ
1Ω≦R＜10Ω
1Ω≦R＜10Ω
1Ω≦R＜10Ω
2A
3.5A
10Ω≦R≦10MΩ 10Ω≦R≦27MΩ 10Ω≦R≦27MΩ
1Ω≦R＜10Ω
1Ω≦R＜10Ω
2A
4A
3
W
4
3
4
10Ω≦R≦10MΩ 10Ω≦R≦20MΩ 10Ω≦R≦20MΩ
1Ω≦R＜10Ω
1Ω≦R＜10Ω
2A
5A
10Ω≦R≦10MΩ 10Ω≦R≦20MΩ 10Ω≦R≦20MΩ
1Ω≦R＜10Ω
1Ω≦R＜10Ω
2A
5A
10Ω≦R≦10MΩ 10Ω≦R≦20MΩ 10Ω≦R≦20MΩ
1Ω≦R＜10Ω
1Ω≦R＜10Ω
2A
7A
Operating Temperature Range
－55℃
~
＋155℃
(0201:－55℃ ~
＋125℃)
3.1 Power Derating Curve:
Type
Operating
Temperature
Range
Explain
RTT01 (0201)
－55℃
~
＋125℃
For resistors operated in ambient temperatures
above 70℃, power rating shall be derated in
accordance with figure below.
100
Other
－55℃
~
＋155℃
For resistors operated in ambient temperatures
above 70℃, power rating shall be derated in
accordance with figure below.
100
70
Rating Power(%)
70
Rating Power(%)
80
60
40
80
60
40
Figure
125
20
0
-55
80 100 120 140 160
Ambient Temperature(℃)
20
40 60
155
20
0
-55
80 100 120 140 160
Ambient Temperature(℃)
20
40 60
Remark
IT'S NOT UNDER CONTROL FOR PDF FILE
PLS NOTE THE VERSION STATED..
Issue Dep.DATA
Center.
Do not copy without permission
Series No.
60
RALEC
旺詮
RTT Series Thick Film Chip
Resistors Product Specification
Document No.
Released Date
Page No.
IE-SP-010
2021/07/08
3
3.2 Voltage Rating：
Rated Voltage: The resistor shall have a DC continuous working voltage or a rms.
AC continuous working voltage at commercial-line frequency and wave form
corresponding to the power rating, as determined from the following
E
=
R×P
4
Dimensions:
E= Rated voltage (v)
P= Power rating (w)
R= Nominal resistance(Ω)
Unit:mm
Dimension
L
Type
Size Code
W
0.30±0.03
0.50±0.05
0.80±0.10
1.25±0.10
1.55±0.10
3.15±0.20
2.55±0.10
2.50±0.20
3.20±0.20
H
L1
L2
RTT01
RTT02
RTT03
RTT05
RTT06
RTT18
RTT12
RTT20
RTT25
0201
0402
0603
0805
1206
1812
1210
2010
2512
0.60±0.03
1.00±0.10
1.60±0.10
2.00±0.10
3.05±0.10
4.40±0.20
3.05±0.10
5.00±0.20
6.30±0.20
0.23±0.03 0.10±0.05 0.15±0.05
0.30±0.05 0.20±0.10 0.25±0.10
0.45±0.10 0.30±0.15 0.30±0.15
0.50±0.10 0.35±0.20 0.35±0.15
0.50±0.10 0.45±0.20 0.35±0.15
0.47±0.20 0.60±0.20 0.60±0.20
0.55±0.10 0.50±0.20 0.50±0.20
0.55±0.10 0.60±0.20 0.60±0.20
0.55±0.10 0.60±0.20 0.60±0.20
5 Structure Graph:
7
6
5
10
9
3
8
1
2
3
4
5
2
Ceramic substrate
Bottom inner electrode
Top inner electrode
Resistive layer
1st Protective coating
1
6
7
8
9
10
4
2nd Protective coating
Marking
Terminal inner electrode
Ni plating
Sn plating
Remark
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PLS NOTE THE VERSION STATED..
Issue Dep.DATA
Center.
Do not copy without permission
Series No.
60
RALEC
旺詮
RTT Series Thick Film Chip
Resistors Product Specification
Document No.
Released Date
Page No.
IE-SP-010
2021/07/08
4
6 Reliability Test:
6.1 Electrical Performance Test
Item
Conditions
（R2－R1）
TCR（ppm /
℃）＝
×10
6
Temperature R1: Resistance at room temperature
Coefficient of R2: Resistance at -55℃ or +125℃
Resistance T1: Room temperature
T2: Temperature -55℃ or +125℃
R1（T2－T1）
Specifications
Resistors
Refer to item 3. general
specifications
Jumper
NA
Short Time
Overload
Refer to JIS-C5201-1 4.8
Applied 2.5 times rated voltage for 5 seconds and release the
load for about 30 minutes, then measure its resistance variance
rate. (Rated voltage refer to item 3. general specifications)
0.1%、0.5%、1%:△R%=±1.0% Refer to item
2%、5%:△R%=±2.0% 3. general
specifications
Refer to JIS-C5201-1 4.13
Put the resistor in the fixture, add 100 VDC in + ,- terminal for 60
≧10
9
Ω
sec then measured the insulation resistance between electrodes
and insulating enclosure or between electrodes and base material.
Refer to JIS-C5201-1 4.6
Insulation
Resistance
Dielectric
Withstand
Voltage
Put the resistor in the fixture, add VAC (see SPEC below) in +,-
terminal for.
RTT05、06、12、18、20、25 apply 500 VAC 1 minute.
RTT01、02、03 apply 300 VAC 1 minute.
No short or burned on the appearance.
test cycles, then it be left at no-load for 1 hour , then
measure its resistance variance rate.
Intermittent Jumper : Applied Maximum overload current
Type
Overload
RTT01 RTT02 RTT03 RTT05 RTT06 RTT12 RTT18 RTT20 RTT25
Jumper
±5%
±1%
(0201) (0402) (0603) (0805) (1206) (1210) (1812) (2010) (2512)
1.25A 2.5A
1.25A 3.75A
2.5A
5A
5A
5A
6.25A 8.75A
5A
10A
5A
5A
5A
12.5A 12.5A 17.5A
Refer to JIS-C5201-1 4.7
Put the tested resistor in chamber under temperature 25±2℃ and
△R%=±5.0%
load 2.5 times rated DC voltage for 1 sec on, 25 sec off,
10000
+400
0
Refer to item
3. general
specifications
Refer to JIS-C5201-1 4.13
Remark
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PLS NOTE THE VERSION STATED..
Issue Dep.DATA
Center.
Do not copy without permission
Series No.
60
RALEC
旺詮
RTT Series Thick Film Chip
Resistors Product Specification
Conditions
Document No.
Released Date
Page No.
IE-SP-010
2021/07/08
5
6.2 Mechanical Performance Test
Item
Specifications
Resistors
Jumper
Test 1 : The resistor mounted on the board applied 5N pushing
Test 1 : No evidence of mechanical damage.
force on the sample rear for 10 sec. (RTT01:3N)
Test 2 : RTT01≧3N
Test 2 : The resistor mounted on the board slowly add force on the
Other Type≧5N
sample rear until the sample termination is breakdown.
Terminal
Strength
Refer to JIS-C5201-1 4.16
The tested resistor be immersed into isopropyl alcohol of 20~25℃
for 5 minutes, then the resistor is left in the room for 48 hrs, and
Resistance to
measured its resistance variance rate.
Solvent
Refer to JIS-C5201-1 4.29
Preconditioning
Solder coverage over 95%
Put the tested resistor in the apparatus of PCT, at a temperature
of 105℃, humidity of 100% RH, and pressure of 1.22×105 Pa for a
duration of 4 hours. Then after left the tested resistor in room
temperature for 2 hours or more.
Solderability Test method:
The resistor be immersed into solder pot in temperature 235±5℃
for 2 sec, then the resistor is left as placed under microscope to
observed its solder area.
△R%
△R%=
±1.0%
△R%=
±0.5%
Type
RTT01
Other
Refer to item
3. general
specifications
◎Test
method 2 (Solder pot test):
The tested resistor be immersed into molten solder of 260+5/-0℃
for 30 seconds. Then the resistor is left as placed under
Resistance to microscope to observe its solder area.
Soldering
Heat
◎Test
method 3 (Electric iron test):
Preheating temperature : 350±10℃
Electric iron preheating time : 3+1/-0 sec
Preheating the electric iron on electrode termination, as after that
step placed the iron over 60 min. and measured its resistance
variance rate.
Refer to JIS-C5201-1 4.18
Refer to JIS-C5201-1 4.17
Test item 1:
◎Test
method 1 (Solder pot test):
The tested resistor be immersed into molten solder of 260+5/-0℃ (1).Variance rate on resistance
△R%=±1.0%
for 10 seconds. Then the resistor is left in the room for 1 hour.
Refer to item
3. general
specifications
Test item 2:
(1).Solder coverage over 95%.
(2).The underlying material
(such as ceramic) shall not
be visible at the crest corner
area of the electrode.
Test item 3:
(1).Variance rate on resistance
△R%=±1.0%
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PLS NOTE THE VERSION STATED..
Issue Dep.DATA
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Do not copy without permission
Series No.
60
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